6 qts with a new filter.
5.3 liters are about 5.60 US quarts.1 liter ~ 1.05669 US quarts1 US quart ~ 0.946353 liters
53 quarts = 212 cups
106 pints
53 quarts is equivalent to 103 pints.
53/4 gallons is 23 quarts.
1 quart is 32 oz, so 53 oz is 1 and 21/32 quarts = 1.65625 quarts
There are 2 pints in a quart. Divide by 2 to get the number of quarts. In this problem the answer would be 26 and 1/2 quarts.
(53 cups) / (4 cups per quart) = 13.25 quarts
212 two cups=one pint two pints=one quart=four cups (4 cups/quart)(53 quarts)=212 cups
13.25 gal 1 gallon = 4 quarts 1 quart = 0.25 gallon
13.25 qts
12.5 gal 1 gallon = 4 quarts 1 quart = 0.25 gallon